src/views/dolphinview.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2006-2009 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2006 Gregor Kališnik <gregor@podnapisi.net>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 #include "dolphinview.h"
   9
  10 #include "dolphin_detailsmodesettings.h"
  11 #include "dolphin_generalsettings.h"
  12 #include "dolphinitemlistview.h"
  13 #include "dolphinnewfilemenuobserver.h"
  14 #include "draganddrophelper.h"
  15 #include "kitemviews/kfileitemlistview.h"
  16 #include "kitemviews/kfileitemmodel.h"
  17 #include "kitemviews/kitemlistcontainer.h"
  18 #include "kitemviews/kitemlistcontroller.h"
  19 #include "kitemviews/kitemlistheader.h"
  20 #include "kitemviews/kitemlistselectionmanager.h"
  21 #include "kitemviews/private/kitemlistroleeditor.h"
  22 #include "versioncontrol/versioncontrolobserver.h"
  23 #include "viewproperties.h"
  24 #include "views/tooltips/tooltipmanager.h"
  25 #include "zoomlevelinfo.h"
  26
  27 #ifdef HAVE_BALOO
  28 #include <Baloo/IndexerConfig>
  29 #endif
  30 #include <KColorScheme>
  31 #include <KDesktopFile>
  32 #include <KDirModel>
  33 #include <KFileItemListProperties>
  34 #include <KFormat>
  35 #include <KIO/CopyJob>
  36 #include <KIO/DeleteJob>
  37 #include <KIO/DropJob>
  38 #include <KIO/JobUiDelegate>
  39 #include <KIO/Paste>
  40 #include <KIO/PasteJob>
  41 #include <KIO/PreviewJob>
  42 #include <KIO/RenameFileDialog>
  43 #include <KJobWidgets>
  44 #include <KLocalizedString>
  45 #include <KMessageBox>
  46 #include <KProtocolManager>
  47
  48 #include <QAbstractItemView>
  49 #include <QActionGroup>
  50 #include <QApplication>
  51 #include <QClipboard>
  52 #include <QDropEvent>
  53 #include <QGraphicsOpacityEffect>
  54 #include <QGraphicsSceneDragDropEvent>
  55 #include <QLabel>
  56 #include <QMenu>
  57 #include <QMimeDatabase>
  58 #include <QPixmapCache>
  59 #include <QPointer>
  60 #include <QScrollBar>
  61 #include <QSize>
  62 #include <QTimer>
  63 #include <QVBoxLayout>
  64
  65 DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
  66     QWidget(parent),
  67     m_active(true),
  68     m_tabsForFiles(false),
  69     m_assureVisibleCurrentIndex(false),
  70     m_isFolderWritable(true),
  71     m_dragging(false),
  72     m_loading(false),
  73     m_url(url),
  74     m_viewPropertiesContext(),
  75     m_mode(DolphinView::IconsView),
  76     m_visibleRoles(),
  77     m_topLayout(nullptr),
  78     m_model(nullptr),
  79     m_view(nullptr),
  80     m_container(nullptr),
  81     m_toolTipManager(nullptr),
  82     m_selectionChangedTimer(nullptr),
  83     m_currentItemUrl(),
  84     m_scrollToCurrentItem(false),
  85     m_restoredContentsPosition(),
  86     m_selectedUrls(),
  87     m_clearSelectionBeforeSelectingNewItems(false),
  88     m_markFirstNewlySelectedItemAsCurrent(false),
  89     m_versionControlObserver(nullptr),
  90     m_twoClicksRenamingTimer(nullptr),
  91     m_placeholderLabel(nullptr)
  92 {
  93     m_topLayout = new QVBoxLayout(this);
  94     m_topLayout->setSpacing(0);
  95     m_topLayout->setContentsMargins(0, 0, 0, 0);
  96
  97     // When a new item has been created by the "Create New..." menu, the item should
  98     // get selected and it must be assured that the item will get visible. As the
  99     // creation is done asynchronously, several signals must be checked:
 100     connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::itemCreated,
 101             this, &DolphinView::observeCreatedItem);
 102
 103     m_selectionChangedTimer = new QTimer(this);
 104     m_selectionChangedTimer->setSingleShot(true);
 105     m_selectionChangedTimer->setInterval(300);
 106     connect(m_selectionChangedTimer, &QTimer::timeout,
 107             this, &DolphinView::emitSelectionChangedSignal);
 108
 109     m_model = new KFileItemModel(this);
 110     m_view = new DolphinItemListView();
 111     m_view->setEnabledSelectionToggles(GeneralSettings::showSelectionToggle());
 112     m_view->setVisibleRoles({"text"});
 113     applyModeToView();
 114
 115     KItemListController* controller = new KItemListController(m_model, m_view, this);
 116     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 117     controller->setAutoActivationDelay(delay);
 118
 119     // The EnlargeSmallPreviews setting can only be changed after the model
 120     // has been set in the view by KItemListController.
 121     m_view->setEnlargeSmallPreviews(GeneralSettings::enlargeSmallPreviews());
 122
 123     m_container = new KItemListContainer(controller, this);
 124     m_container->installEventFilter(this);
 125     setFocusProxy(m_container);
 126     connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 127     connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
 128
 129     // Show some placeholder text for empty folders
 130     // This is made using a heavily-modified QLabel rather than a KTitleWidget
 131     // because KTitleWidget can't be told to turn off mouse-selectable text
 132     m_placeholderLabel = new QLabel(this);
 133     QFont placeholderLabelFont;
 134     // To match the size of a level 2 Heading/KTitleWidget
 135     placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
 136     m_placeholderLabel->setFont(placeholderLabelFont);
 137     m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
 138     m_placeholderLabel->setWordWrap(true);
 139     m_placeholderLabel->setAlignment(Qt::AlignCenter);
 140     // Match opacity of QML placeholder label component
 141     auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
 142     effect->setOpacity(0.5);
 143     m_placeholderLabel->setGraphicsEffect(effect);
 144     // Set initial text and visibility
 145     updatePlaceholderLabel();
 146
 147     auto *centeringLayout = new QVBoxLayout(m_container);
 148     centeringLayout->addWidget(m_placeholderLabel);
 149     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
 150
 151     controller->setSelectionBehavior(KItemListController::MultiSelection);
 152     connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
 153     connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
 154     connect(controller, &KItemListController::itemMiddleClicked, this, &DolphinView::slotItemMiddleClicked);
 155     connect(controller, &KItemListController::itemContextMenuRequested, this, &DolphinView::slotItemContextMenuRequested);
 156     connect(controller, &KItemListController::viewContextMenuRequested, this, &DolphinView::slotViewContextMenuRequested);
 157     connect(controller, &KItemListController::headerContextMenuRequested, this, &DolphinView::slotHeaderContextMenuRequested);
 158     connect(controller, &KItemListController::mouseButtonPressed, this, &DolphinView::slotMouseButtonPressed);
 159     connect(controller, &KItemListController::itemHovered, this, &DolphinView::slotItemHovered);
 160     connect(controller, &KItemListController::itemUnhovered, this, &DolphinView::slotItemUnhovered);
 161     connect(controller, &KItemListController::itemDropEvent, this, &DolphinView::slotItemDropEvent);
 162     connect(controller, &KItemListController::escapePressed, this, &DolphinView::stopLoading);
 163     connect(controller, &KItemListController::modelChanged, this, &DolphinView::slotModelChanged);
 164     connect(controller, &KItemListController::selectedItemTextPressed, this, &DolphinView::slotSelectedItemTextPressed);
 165     connect(controller, &KItemListController::increaseZoom, this, &DolphinView::slotIncreaseZoom);
 166     connect(controller, &KItemListController::decreaseZoom, this, &DolphinView::slotDecreaseZoom);
 167     connect(controller, &KItemListController::swipeUp, this, &DolphinView::slotSwipeUp);
 168
 169     connect(m_model, &KFileItemModel::directoryLoadingStarted,       this, &DolphinView::slotDirectoryLoadingStarted);
 170     connect(m_model, &KFileItemModel::directoryLoadingCompleted,     this, &DolphinView::slotDirectoryLoadingCompleted);
 171     connect(m_model, &KFileItemModel::directoryLoadingCanceled,      this, &DolphinView::slotDirectoryLoadingCanceled);
 172     connect(m_model, &KFileItemModel::directoryLoadingProgress,   this, &DolphinView::directoryLoadingProgress);
 173     connect(m_model, &KFileItemModel::directorySortingProgress,   this, &DolphinView::directorySortingProgress);
 174     connect(m_model, &KFileItemModel::itemsChanged,
 175             this, &DolphinView::slotItemsChanged);
 176     connect(m_model, &KFileItemModel::itemsRemoved,    this, &DolphinView::itemCountChanged);
 177     connect(m_model, &KFileItemModel::itemsInserted,   this, &DolphinView::itemCountChanged);
 178     connect(m_model, &KFileItemModel::infoMessage,            this, &DolphinView::infoMessage);
 179     connect(m_model, &KFileItemModel::errorMessage,           this, &DolphinView::errorMessage);
 180     connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
 181     connect(m_model, &KFileItemModel::urlIsFileError,            this, &DolphinView::urlIsFileError);
 182
 183     connect(this, &DolphinView::itemCountChanged,
 184             this, &DolphinView::updatePlaceholderLabel);
 185
 186     m_view->installEventFilter(this);
 187     connect(m_view, &DolphinItemListView::sortOrderChanged,
 188             this, &DolphinView::slotSortOrderChangedByHeader);
 189     connect(m_view, &DolphinItemListView::sortRoleChanged,
 190             this, &DolphinView::slotSortRoleChangedByHeader);
 191     connect(m_view, &DolphinItemListView::visibleRolesChanged,
 192             this, &DolphinView::slotVisibleRolesChangedByHeader);
 193     connect(m_view, &DolphinItemListView::roleEditingCanceled,
 194             this, &DolphinView::slotRoleEditingCanceled);
 195     connect(m_view->header(), &KItemListHeader::columnWidthChangeFinished,
 196             this, &DolphinView::slotHeaderColumnWidthChangeFinished);
 197
 198     KItemListSelectionManager* selectionManager = controller->selectionManager();
 199     connect(selectionManager, &KItemListSelectionManager::selectionChanged,
 200             this, &DolphinView::slotSelectionChanged);
 201
 202 #ifdef HAVE_BALOO
 203     m_toolTipManager = new ToolTipManager(this);
 204     connect(m_toolTipManager, &ToolTipManager::urlActivated, this, &DolphinView::urlActivated);
 205 #endif
 206
 207     m_versionControlObserver = new VersionControlObserver(this);
 208     m_versionControlObserver->setView(this);
 209     m_versionControlObserver->setModel(m_model);
 210     connect(m_versionControlObserver, &VersionControlObserver::infoMessage, this, &DolphinView::infoMessage);
 211     connect(m_versionControlObserver, &VersionControlObserver::errorMessage, this, &DolphinView::errorMessage);
 212     connect(m_versionControlObserver, &VersionControlObserver::operationCompletedMessage, this, &DolphinView::operationCompletedMessage);
 213
 214     m_twoClicksRenamingTimer = new QTimer(this);
 215     m_twoClicksRenamingTimer->setSingleShot(true);
 216     connect(m_twoClicksRenamingTimer, &QTimer::timeout, this, &DolphinView::slotTwoClicksRenamingTimerTimeout);
 217
 218     applyViewProperties();
 219     m_topLayout->addWidget(m_container);
 220
 221     loadDirectory(url);
 222 }
 223
 224 DolphinView::~DolphinView()
 225 {
 226 }
 227
 228 QUrl DolphinView::url() const
 229 {
 230     return m_url;
 231 }
 232
 233 void DolphinView::setActive(bool active)
 234 {
 235     if (active == m_active) {
 236         return;
 237     }
 238
 239     m_active = active;
 240
 241     updatePalette();
 242
 243     if (active) {
 244         m_container->setFocus();
 245         Q_EMIT activated();
 246         Q_EMIT writeStateChanged(m_isFolderWritable);
 247     }
 248 }
 249
 250 bool DolphinView::isActive() const
 251 {
 252     return m_active;
 253 }
 254
 255 void DolphinView::setMode(Mode mode)
 256 {
 257     if (mode != m_mode) {
 258         ViewProperties props(viewPropertiesUrl());
 259         props.setViewMode(mode);
 260
 261         // We pass the new ViewProperties to applyViewProperties, rather than
 262         // storing them on disk and letting applyViewProperties() read them
 263         // from there, to prevent that changing the view mode fails if the
 264         // .directory file is not writable (see bug 318534).
 265         applyViewProperties(props);
 266     }
 267 }
 268
 269 DolphinView::Mode DolphinView::mode() const
 270 {
 271     return m_mode;
 272 }
 273
 274 void DolphinView::setPreviewsShown(bool show)
 275 {
 276     if (previewsShown() == show) {
 277         return;
 278     }
 279
 280     ViewProperties props(viewPropertiesUrl());
 281     props.setPreviewsShown(show);
 282
 283     const int oldZoomLevel = m_view->zoomLevel();
 284     m_view->setPreviewsShown(show);
 285     Q_EMIT previewsShownChanged(show);
 286
 287     const int newZoomLevel = m_view->zoomLevel();
 288     if (newZoomLevel != oldZoomLevel) {
 289         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 290     }
 291 }
 292
 293 bool DolphinView::previewsShown() const
 294 {
 295     return m_view->previewsShown();
 296 }
 297
 298 void DolphinView::setHiddenFilesShown(bool show)
 299 {
 300     if (m_model->showHiddenFiles() == show) {
 301         return;
 302     }
 303
 304     const KFileItemList itemList = selectedItems();
 305     m_selectedUrls.clear();
 306     m_selectedUrls = itemList.urlList();
 307
 308     ViewProperties props(viewPropertiesUrl());
 309     props.setHiddenFilesShown(show);
 310
 311     m_model->setShowHiddenFiles(show);
 312     Q_EMIT hiddenFilesShownChanged(show);
 313 }
 314
 315 bool DolphinView::hiddenFilesShown() const
 316 {
 317     return m_model->showHiddenFiles();
 318 }
 319
 320 void DolphinView::setGroupedSorting(bool grouped)
 321 {
 322     if (grouped == groupedSorting()) {
 323         return;
 324     }
 325
 326     ViewProperties props(viewPropertiesUrl());
 327     props.setGroupedSorting(grouped);
 328     props.save();
 329
 330     m_container->controller()->model()->setGroupedSorting(grouped);
 331
 332     Q_EMIT groupedSortingChanged(grouped);
 333 }
 334
 335 bool DolphinView::groupedSorting() const
 336 {
 337     return m_model->groupedSorting();
 338 }
 339
 340 KFileItemList DolphinView::items() const
 341 {
 342     KFileItemList list;
 343     const int itemCount = m_model->count();
 344     list.reserve(itemCount);
 345
 346     for (int i = 0; i < itemCount; ++i) {
 347         list.append(m_model->fileItem(i));
 348     }
 349
 350     return list;
 351 }
 352
 353 int DolphinView::itemsCount() const
 354 {
 355     return m_model->count();
 356 }
 357
 358 KFileItemList DolphinView::selectedItems() const
 359 {
 360     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 361
 362     KFileItemList selectedItems;
 363     const auto items = selectionManager->selectedItems();
 364     selectedItems.reserve(items.count());
 365     for (int index : items) {
 366         selectedItems.append(m_model->fileItem(index));
 367     }
 368     return selectedItems;
 369 }
 370
 371 int DolphinView::selectedItemsCount() const
 372 {
 373     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 374     return selectionManager->selectedItems().count();
 375 }
 376
 377 void DolphinView::markUrlsAsSelected(const QList<QUrl>& urls)
 378 {
 379     m_selectedUrls = urls;
 380 }
 381
 382 void DolphinView::markUrlAsCurrent(const QUrl &url)
 383 {
 384     m_currentItemUrl = url;
 385     m_scrollToCurrentItem = true;
 386 }
 387
 388 void DolphinView::selectItems(const QRegularExpression &regexp, bool enabled)
 389 {
 390     const KItemListSelectionManager::SelectionMode mode = enabled
 391                                                         ? KItemListSelectionManager::Select
 392                                                         : KItemListSelectionManager::Deselect;
 393     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 394
 395     for (int index = 0; index < m_model->count(); index++) {
 396         const KFileItem item = m_model->fileItem(index);
 397         if (regexp.match(item.text()).hasMatch()) {
 398             // An alternative approach would be to store the matching items in a KItemSet and
 399             // select them in one go after the loop, but we'd need a new function
 400             // KItemListSelectionManager::setSelected(KItemSet, SelectionMode mode)
 401             // for that.
 402             selectionManager->setSelected(index, 1, mode);
 403         }
 404     }
 405 }
 406
 407 void DolphinView::setZoomLevel(int level)
 408 {
 409     const int oldZoomLevel = zoomLevel();
 410     m_view->setZoomLevel(level);
 411     if (zoomLevel() != oldZoomLevel) {
 412         hideToolTip();
 413         Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
 414     }
 415 }
 416
 417 int DolphinView::zoomLevel() const
 418 {
 419     return m_view->zoomLevel();
 420 }
 421
 422 void DolphinView::setSortRole(const QByteArray& role)
 423 {
 424     if (role != sortRole()) {
 425         updateSortRole(role);
 426     }
 427 }
 428
 429 QByteArray DolphinView::sortRole() const
 430 {
 431     const KItemModelBase* model = m_container->controller()->model();
 432     return model->sortRole();
 433 }
 434
 435 void DolphinView::setSortOrder(Qt::SortOrder order)
 436 {
 437     if (sortOrder() != order) {
 438         updateSortOrder(order);
 439     }
 440 }
 441
 442 Qt::SortOrder DolphinView::sortOrder() const
 443 {
 444     return m_model->sortOrder();
 445 }
 446
 447 void DolphinView::setSortFoldersFirst(bool foldersFirst)
 448 {
 449     if (sortFoldersFirst() != foldersFirst) {
 450         updateSortFoldersFirst(foldersFirst);
 451     }
 452 }
 453
 454 bool DolphinView::sortFoldersFirst() const
 455 {
 456     return m_model->sortDirectoriesFirst();
 457 }
 458
 459 void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 460 {
 461     const QList<QByteArray> previousRoles = roles;
 462
 463     ViewProperties props(viewPropertiesUrl());
 464     props.setVisibleRoles(roles);
 465
 466     m_visibleRoles = roles;
 467     m_view->setVisibleRoles(roles);
 468
 469     Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
 470 }
 471
 472 QList<QByteArray> DolphinView::visibleRoles() const
 473 {
 474     return m_visibleRoles;
 475 }
 476
 477 void DolphinView::reload()
 478 {
 479     QByteArray viewState;
 480     QDataStream saveStream(&viewState, QIODevice::WriteOnly);
 481     saveState(saveStream);
 482
 483     setUrl(url());
 484     loadDirectory(url(), true);
 485
 486     QDataStream restoreStream(viewState);
 487     restoreState(restoreStream);
 488 }
 489
 490 void DolphinView::readSettings()
 491 {
 492     const int oldZoomLevel = m_view->zoomLevel();
 493
 494     GeneralSettings::self()->load();
 495     m_view->readSettings();
 496     applyViewProperties();
 497
 498     const int delay = GeneralSettings::autoExpandFolders() ? 750 : -1;
 499     m_container->controller()->setAutoActivationDelay(delay);
 500
 501     const int newZoomLevel = m_view->zoomLevel();
 502     if (newZoomLevel != oldZoomLevel) {
 503         Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
 504     }
 505 }
 506
 507 void DolphinView::writeSettings()
 508 {
 509     GeneralSettings::self()->save();
 510     m_view->writeSettings();
 511 }
 512
 513 void DolphinView::setNameFilter(const QString& nameFilter)
 514 {
 515     m_model->setNameFilter(nameFilter);
 516 }
 517
 518 QString DolphinView::nameFilter() const
 519 {
 520     return m_model->nameFilter();
 521 }
 522
 523 void DolphinView::setMimeTypeFilters(const QStringList& filters)
 524 {
 525     return m_model->setMimeTypeFilters(filters);
 526 }
 527
 528 QStringList DolphinView::mimeTypeFilters() const
 529 {
 530     return m_model->mimeTypeFilters();
 531 }
 532
 533 void DolphinView::requestStatusBarText()
 534 {
 535     if (m_statJobForStatusBarText) {
 536         // Kill the pending request.
 537         m_statJobForStatusBarText->kill();
 538     }
 539
 540     if (m_container->controller()->selectionManager()->hasSelection()) {
 541         int folderCount = 0;
 542         int fileCount = 0;
 543         KIO::filesize_t totalFileSize = 0;
 544
 545         // Give a summary of the status of the selected files
 546         const KFileItemList list = selectedItems();
 547         for (const KFileItem& item : list) {
 548             if (item.isDir()) {
 549                 ++folderCount;
 550             } else {
 551                 ++fileCount;
 552                 totalFileSize += item.size();
 553             }
 554         }
 555
 556         if (folderCount + fileCount == 1) {
 557             // If only one item is selected, show info about it
 558             Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
 559         } else {
 560             // At least 2 items are selected
 561             emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
 562         }
 563     } else { // has no selection
 564         if (!m_model->rootItem().url().isValid()) {
 565             return;
 566         }
 567
 568         m_statJobForStatusBarText = KIO::statDetails(m_model->rootItem().url(),
 569                         KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
 570         connect(m_statJobForStatusBarText, &KJob::result,
 571                 this, &DolphinView::slotStatJobResult);
 572         m_statJobForStatusBarText->start();
 573     }
 574 }
 575
 576 void DolphinView::emitStatusBarText(const int folderCount, const int fileCount,
 577                                     KIO::filesize_t totalFileSize, const Selection selection)
 578 {
 579     QString foldersText;
 580     QString filesText;
 581     QString summary;
 582
 583     if (selection == HasSelection) {
 584         // At least 2 items are selected because the case of 1 selected item is handled in
 585         // DolphinView::requestStatusBarText().
 586         foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
 587         filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
 588     } else {
 589         foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
 590         filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
 591     }
 592
 593     if (fileCount > 0 && folderCount > 0) {
 594         summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
 595                         foldersText, filesText,
 596                         KFormat().formatByteSize(totalFileSize));
 597     } else if (fileCount > 0) {
 598         summary = i18nc("@info:status files (size)", "%1 (%2)",
 599                         filesText,
 600                         KFormat().formatByteSize(totalFileSize));
 601     } else if (folderCount > 0) {
 602         summary = foldersText;
 603     } else {
 604         summary = i18nc("@info:status", "0 Folders, 0 Files");
 605     }
 606     Q_EMIT statusBarTextChanged(summary);
 607 }
 608
 609 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
 610 {
 611     QList<QAction*> actions;
 612
 613     if (items.isEmpty()) {
 614         const KFileItem item = m_model->rootItem();
 615         if (!item.isNull()) {
 616             actions = m_versionControlObserver->actions(KFileItemList() << item);
 617         }
 618     } else {
 619         actions = m_versionControlObserver->actions(items);
 620     }
 621
 622     return actions;
 623 }
 624
 625 void DolphinView::setUrl(const QUrl& url)
 626 {
 627     if (url == m_url) {
 628         return;
 629     }
 630
 631     clearSelection();
 632
 633     m_url = url;
 634
 635     hideToolTip();
 636
 637     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
 638                this, &DolphinView::slotRoleEditingFinished);
 639
 640     // It is important to clear the items from the model before
 641     // applying the view properties, otherwise expensive operations
 642     // might be done on the existing items although they get cleared
 643     // anyhow afterwards by loadDirectory().
 644     m_model->clear();
 645     applyViewProperties();
 646     loadDirectory(url);
 647
 648     Q_EMIT urlChanged(url);
 649 }
 650
 651 void DolphinView::selectAll()
 652 {
 653     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 654     selectionManager->setSelected(0, m_model->count());
 655 }
 656
 657 void DolphinView::invertSelection()
 658 {
 659     KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
 660     selectionManager->setSelected(0, m_model->count(), KItemListSelectionManager::Toggle);
 661 }
 662
 663 void DolphinView::clearSelection()
 664 {
 665     m_selectedUrls.clear();
 666     m_container->controller()->selectionManager()->clearSelection();
 667 }
 668
 669 void DolphinView::renameSelectedItems()
 670 {
 671     const KFileItemList items = selectedItems();
 672     if (items.isEmpty()) {
 673         return;
 674     }
 675
 676     if (items.count() == 1 && GeneralSettings::renameInline()) {
 677         const int index = m_model->index(items.first());
 678
 679         QMetaObject::Connection * const connection = new QMetaObject::Connection;
 680         *connection = connect(m_view, &KItemListView::scrollingStopped, this, [=](){
 681             QObject::disconnect(*connection);
 682             delete connection;
 683
 684             m_view->editRole(index, "text");
 685
 686             hideToolTip();
 687
 688             connect(m_view, &DolphinItemListView::roleEditingFinished,
 689                     this, &DolphinView::slotRoleEditingFinished);
 690         });
 691         m_view->scrollToItem(index);
 692
 693     } else {
 694         KIO::RenameFileDialog* dialog = new KIO::RenameFileDialog(items, this);
 695         connect(dialog, &KIO::RenameFileDialog::renamingFinished,
 696                 this, &DolphinView::slotRenameDialogRenamingFinished);
 697
 698         dialog->open();
 699     }
 700
 701     // Assure that the current index remains visible when KFileItemModel
 702     // will notify the view about changed items (which might result in
 703     // a changed sorting).
 704     m_assureVisibleCurrentIndex = true;
 705 }
 706
 707 void DolphinView::trashSelectedItems()
 708 {
 709     const QList<QUrl> list = simplifiedSelectedUrls();
 710     KIO::JobUiDelegate uiDelegate;
 711     uiDelegate.setWindow(window());
 712     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Trash, KIO::JobUiDelegate::DefaultConfirmation)) {
 713         KIO::Job* job = KIO::trash(list);
 714         KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Trash, list, QUrl(QStringLiteral("trash:/")), job);
 715         KJobWidgets::setWindow(job, this);
 716         connect(job, &KIO::Job::result,
 717                 this, &DolphinView::slotTrashFileFinished);
 718     }
 719 }
 720
 721 void DolphinView::deleteSelectedItems()
 722 {
 723     const QList<QUrl> list = simplifiedSelectedUrls();
 724
 725     KIO::JobUiDelegate uiDelegate;
 726     uiDelegate.setWindow(window());
 727     if (uiDelegate.askDeleteConfirmation(list, KIO::JobUiDelegate::Delete, KIO::JobUiDelegate::DefaultConfirmation)) {
 728         KIO::Job* job = KIO::del(list);
 729         KJobWidgets::setWindow(job, this);
 730         connect(job, &KIO::Job::result,
 731                 this, &DolphinView::slotDeleteFileFinished);
 732     }
 733 }
 734
 735 void DolphinView::cutSelectedItemsToClipboard()
 736 {
 737     QMimeData* mimeData = selectionMimeData();
 738     KIO::setClipboardDataCut(mimeData, true);
 739     QApplication::clipboard()->setMimeData(mimeData);
 740 }
 741
 742 void DolphinView::copySelectedItemsToClipboard()
 743 {
 744     QMimeData* mimeData = selectionMimeData();
 745     QApplication::clipboard()->setMimeData(mimeData);
 746 }
 747
 748 void DolphinView::copySelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 749 {
 750     KIO::CopyJob* job = KIO::copy(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 751     KJobWidgets::setWindow(job, this);
 752
 753     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 754     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 755     KIO::FileUndoManager::self()->recordCopyJob(job);
 756 }
 757
 758 void DolphinView::moveSelectedItems(const KFileItemList &selection, const QUrl &destinationUrl)
 759 {
 760     KIO::CopyJob* job = KIO::move(selection.urlList(), destinationUrl, KIO::DefaultFlags);
 761     KJobWidgets::setWindow(job, this);
 762
 763     connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
 764     connect(job, &KIO::CopyJob::copyingDone, this, &DolphinView::slotCopyingDone);
 765     KIO::FileUndoManager::self()->recordCopyJob(job);
 766
 767 }
 768
 769 void DolphinView::paste()
 770 {
 771     pasteToUrl(url());
 772 }
 773
 774 void DolphinView::pasteIntoFolder()
 775 {
 776     const KFileItemList items = selectedItems();
 777     if ((items.count() == 1) && items.first().isDir()) {
 778         pasteToUrl(items.first().url());
 779     }
 780 }
 781
 782 void DolphinView::duplicateSelectedItems()
 783 {
 784     const KFileItemList itemList = selectedItems();
 785     if (itemList.isEmpty()) {
 786         return;
 787     }
 788
 789     const QMimeDatabase db;
 790
 791     // Duplicate all selected items and append "copy" to the end of the file name
 792     // but before the filename extension, if present
 793     QList<QUrl> newSelection;
 794     for (const auto &item : itemList) {
 795         const QUrl originalURL  = item.url();
 796         const QString originalDirectoryPath = originalURL.adjusted(QUrl::RemoveFilename).path();
 797         const QString originalFileName = item.name();
 798
 799         QString extension = db.suffixForFileName(originalFileName);
 800
 801         QUrl duplicateURL = originalURL;
 802
 803         // No extension; new filename is "<oldfilename> copy"
 804         if (extension.isEmpty()) {
 805             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFileName));
 806         // There's an extension; new filename is "<oldfilename> copy.<extension>"
 807         } else {
 808             // Need to add a dot since QMimeDatabase::suffixForFileName() doesn't include it
 809             extension = QLatin1String(".") + extension;
 810             const QString originalFilenameWithoutExtension = originalFileName.chopped(extension.size());
 811             // Preserve file's original filename extension in case the casing differs
 812             // from what QMimeDatabase::suffixForFileName() returned
 813             const QString originalExtension = originalFileName.right(extension.size());
 814             duplicateURL.setPath(originalDirectoryPath + i18nc("<filename> copy", "%1 copy", originalFilenameWithoutExtension) + originalExtension);
 815         }
 816
 817         KIO::CopyJob* job = KIO::copyAs(originalURL, duplicateURL);
 818         KJobWidgets::setWindow(job, this);
 819
 820         if (job) {
 821             newSelection << duplicateURL;
 822             KIO::FileUndoManager::self()->recordCopyJob(job);
 823         }
 824     }
 825
 826     forceUrlsSelection(newSelection.first(), newSelection);
 827 }
 828
 829 void DolphinView::stopLoading()
 830 {
 831     m_model->cancelDirectoryLoading();
 832 }
 833
 834 void DolphinView::updatePalette()
 835 {
 836     QColor color = KColorScheme(isActiveWindow() ? QPalette::Active : QPalette::Inactive, KColorScheme::View).background().color();
 837     if (!m_active) {
 838         color.setAlpha(150);
 839     }
 840
 841     QWidget* viewport = m_container->viewport();
 842     if (viewport) {
 843         QPalette palette;
 844         palette.setColor(viewport->backgroundRole(), color);
 845         viewport->setPalette(palette);
 846     }
 847
 848     update();
 849 }
 850
 851 void DolphinView::abortTwoClicksRenaming()
 852 {
 853     m_twoClicksRenamingItemUrl.clear();
 854     m_twoClicksRenamingTimer->stop();
 855 }
 856
 857 bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 858 {
 859     switch (event->type()) {
 860     case QEvent::PaletteChange:
 861         updatePalette();
 862         QPixmapCache::clear();
 863         break;
 864
 865     case QEvent::WindowActivate:
 866     case QEvent::WindowDeactivate:
 867         updatePalette();
 868         break;
 869
 870     case QEvent::KeyPress:
 871         hideToolTip(ToolTipManager::HideBehavior::Instantly);
 872         if (GeneralSettings::useTabForSwitchingSplitView()) {
 873             QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
 874             if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
 875                 Q_EMIT toggleActiveViewRequested();
 876                 return true;
 877             }
 878         }
 879         break;
 880     case QEvent::FocusIn:
 881         if (watched == m_container) {
 882             setActive(true);
 883         }
 884         break;
 885
 886     case QEvent::GraphicsSceneDragEnter:
 887         if (watched == m_view) {
 888             m_dragging = true;
 889             abortTwoClicksRenaming();
 890         }
 891         break;
 892
 893     case QEvent::GraphicsSceneDragLeave:
 894         if (watched == m_view) {
 895             m_dragging = false;
 896         }
 897         break;
 898
 899     case QEvent::GraphicsSceneDrop:
 900         if (watched == m_view) {
 901             m_dragging = false;
 902         }
 903     default:
 904         break;
 905     }
 906
 907     return QWidget::eventFilter(watched, event);
 908 }
 909
 910 void DolphinView::wheelEvent(QWheelEvent* event)
 911 {
 912     if (event->modifiers().testFlag(Qt::ControlModifier)) {
 913         const QPoint numDegrees = event->angleDelta() / 8;
 914         const QPoint numSteps = numDegrees / 15;
 915
 916         setZoomLevel(zoomLevel() + numSteps.y());
 917         event->accept();
 918     } else {
 919         event->ignore();
 920     }
 921 }
 922
 923 void DolphinView::hideEvent(QHideEvent* event)
 924 {
 925     hideToolTip();
 926     QWidget::hideEvent(event);
 927 }
 928
 929 bool DolphinView::event(QEvent* event)
 930 {
 931     if (event->type() == QEvent::WindowDeactivate) {
 932         /* See Bug 297355
 933          * Dolphin leaves file preview tooltips open even when is not visible.
 934          *
 935          * Hide tool-tip when Dolphin loses focus.
 936          */
 937         hideToolTip();
 938         abortTwoClicksRenaming();
 939     }
 940
 941     return QWidget::event(event);
 942 }
 943
 944 void DolphinView::activate()
 945 {
 946     setActive(true);
 947 }
 948
 949 void DolphinView::slotItemActivated(int index)
 950 {
 951     abortTwoClicksRenaming();
 952
 953     const KFileItem item = m_model->fileItem(index);
 954     if (!item.isNull()) {
 955         Q_EMIT itemActivated(item);
 956     }
 957 }
 958
 959 void DolphinView::slotItemsActivated(const KItemSet& indexes)
 960 {
 961     Q_ASSERT(indexes.count() >= 2);
 962
 963     abortTwoClicksRenaming();
 964
 965     if (indexes.count() > 5) {
 966         QString question = i18np("Are you sure you want to open 1 item?", "Are you sure you want to open %1 items?", indexes.count());
 967         const int answer = KMessageBox::warningYesNo(this, question);
 968         if (answer != KMessageBox::Yes) {
 969             return;
 970         }
 971     }
 972
 973     KFileItemList items;
 974     items.reserve(indexes.count());
 975
 976     for (int index : indexes) {
 977         KFileItem item = m_model->fileItem(index);
 978         const QUrl& url = openItemAsFolderUrl(item);
 979
 980         if (!url.isEmpty()) { // Open folders in new tabs
 981             Q_EMIT tabRequested(url);
 982         } else {
 983             items.append(item);
 984         }
 985     }
 986
 987     if (items.count() == 1) {
 988         Q_EMIT itemActivated(items.first());
 989     } else if (items.count() > 1) {
 990         Q_EMIT itemsActivated(items);
 991     }
 992 }
 993
 994 void DolphinView::slotItemMiddleClicked(int index)
 995 {
 996     const KFileItem& item = m_model->fileItem(index);
 997     const QUrl& url = openItemAsFolderUrl(item);
 998     if (!url.isEmpty()) {
 999         Q_EMIT tabRequested(url);
1000     } else if (isTabsForFilesEnabled()) {
1001         Q_EMIT tabRequested(item.url());
1002     }
1003 }
1004
1005 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
1006 {
1007     // Force emit of a selection changed signal before we request the
1008     // context menu, to update the edit-actions first. (See Bug 294013)
1009     if (m_selectionChangedTimer->isActive()) {
1010         emitSelectionChangedSignal();
1011     }
1012
1013     const KFileItem item = m_model->fileItem(index);
1014     Q_EMIT requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
1015 }
1016
1017 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
1018 {
1019     Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
1020 }
1021
1022 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
1023 {
1024     ViewProperties props(viewPropertiesUrl());
1025
1026     QPointer<QMenu> menu = new QMenu(QApplication::activeWindow());
1027
1028     KItemListView* view = m_container->controller()->view();
1029     const QList<QByteArray> visibleRolesSet = view->visibleRoles();
1030
1031     bool indexingEnabled = false;
1032 #ifdef HAVE_BALOO
1033     Baloo::IndexerConfig config;
1034     indexingEnabled = config.fileIndexingEnabled();
1035 #endif
1036
1037     QString groupName;
1038     QMenu* groupMenu = nullptr;
1039
1040     // Add all roles to the menu that can be shown or hidden by the user
1041     const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
1042     for (const KFileItemModel::RoleInfo& info : rolesInfo) {
1043         if (info.role == "text") {
1044             // It should not be possible to hide the "text" role
1045             continue;
1046         }
1047
1048         const QString text = m_model->roleDescription(info.role);
1049         QAction* action = nullptr;
1050         if (info.group.isEmpty()) {
1051             action = menu->addAction(text);
1052         } else {
1053             if (!groupMenu || info.group != groupName) {
1054                 groupName = info.group;
1055                 groupMenu = menu->addMenu(groupName);
1056             }
1057
1058             action = groupMenu->addAction(text);
1059         }
1060
1061         action->setCheckable(true);
1062         action->setChecked(visibleRolesSet.contains(info.role));
1063         action->setData(info.role);
1064
1065         const bool enable = (!info.requiresBaloo && !info.requiresIndexer) ||
1066                             (info.requiresBaloo) ||
1067                             (info.requiresIndexer && indexingEnabled);
1068         action->setEnabled(enable);
1069     }
1070
1071     menu->addSeparator();
1072
1073     QActionGroup* widthsGroup = new QActionGroup(menu);
1074     const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
1075
1076     QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
1077     autoAdjustWidthsAction->setCheckable(true);
1078     autoAdjustWidthsAction->setChecked(autoColumnWidths);
1079     autoAdjustWidthsAction->setActionGroup(widthsGroup);
1080
1081     QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
1082     customWidthsAction->setCheckable(true);
1083     customWidthsAction->setChecked(!autoColumnWidths);
1084     customWidthsAction->setActionGroup(widthsGroup);
1085
1086     QAction* action = menu->exec(pos.toPoint());
1087     if (menu && action) {
1088         KItemListHeader* header = view->header();
1089
1090         if (action == autoAdjustWidthsAction) {
1091             // Clear the column-widths from the viewproperties and turn on
1092             // the automatic resizing of the columns
1093             props.setHeaderColumnWidths(QList<int>());
1094             header->setAutomaticColumnResizing(true);
1095         } else if (action == customWidthsAction) {
1096             // Apply the current column-widths as custom column-widths and turn
1097             // off the automatic resizing of the columns
1098             QList<int> columnWidths;
1099             const auto visibleRoles = view->visibleRoles();
1100             columnWidths.reserve(visibleRoles.count());
1101             for (const QByteArray& role : visibleRoles) {
1102                 columnWidths.append(header->columnWidth(role));
1103             }
1104             props.setHeaderColumnWidths(columnWidths);
1105             header->setAutomaticColumnResizing(false);
1106         } else {
1107             // Show or hide the selected role
1108             const QByteArray selectedRole = action->data().toByteArray();
1109
1110             QList<QByteArray> visibleRoles = view->visibleRoles();
1111             if (action->isChecked()) {
1112                 visibleRoles.append(selectedRole);
1113             } else {
1114                 visibleRoles.removeOne(selectedRole);
1115             }
1116
1117             view->setVisibleRoles(visibleRoles);
1118             props.setVisibleRoles(visibleRoles);
1119
1120             QList<int> columnWidths;
1121             if (!header->automaticColumnResizing()) {
1122                 const auto visibleRoles = view->visibleRoles();
1123                 columnWidths.reserve(visibleRoles.count());
1124                 for (const QByteArray& role : visibleRoles) {
1125                     columnWidths.append(header->columnWidth(role));
1126                 }
1127             }
1128             props.setHeaderColumnWidths(columnWidths);
1129         }
1130     }
1131
1132     delete menu;
1133 }
1134
1135 void DolphinView::slotHeaderColumnWidthChangeFinished(const QByteArray& role, qreal current)
1136 {
1137     const QList<QByteArray> visibleRoles = m_view->visibleRoles();
1138
1139     ViewProperties props(viewPropertiesUrl());
1140     QList<int> columnWidths = props.headerColumnWidths();
1141     if (columnWidths.count() != visibleRoles.count()) {
1142         columnWidths.clear();
1143         columnWidths.reserve(visibleRoles.count());
1144         const KItemListHeader* header = m_view->header();
1145         for (const QByteArray& role : visibleRoles) {
1146             const int width = header->columnWidth(role);
1147             columnWidths.append(width);
1148         }
1149     }
1150
1151     const int roleIndex = visibleRoles.indexOf(role);
1152     Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
1153     columnWidths[roleIndex] = current;
1154
1155     props.setHeaderColumnWidths(columnWidths);
1156 }
1157
1158 void DolphinView::slotItemHovered(int index)
1159 {
1160     const KFileItem item = m_model->fileItem(index);
1161
1162     if (GeneralSettings::showToolTips() && !m_dragging) {
1163         QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
1164         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
1165         itemRect.moveTo(pos);
1166
1167 #ifdef HAVE_BALOO
1168         m_toolTipManager->showToolTip(item, itemRect, nativeParentWidget()->windowHandle());
1169 #endif
1170     }
1171
1172     Q_EMIT requestItemInfo(item);
1173 }
1174
1175 void DolphinView::slotItemUnhovered(int index)
1176 {
1177     Q_UNUSED(index)
1178     hideToolTip();
1179     Q_EMIT requestItemInfo(KFileItem());
1180 }
1181
1182 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
1183 {
1184     QUrl destUrl;
1185     KFileItem destItem = m_model->fileItem(index);
1186     if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
1187         // Use the URL of the view as drop target if the item is no directory
1188         // or desktop-file
1189         destItem = m_model->rootItem();
1190         destUrl = url();
1191     } else {
1192         // The item represents a directory or desktop-file
1193         destUrl = destItem.mostLocalUrl();
1194     }
1195
1196     QDropEvent dropEvent(event->pos().toPoint(),
1197                          event->possibleActions(),
1198                          event->mimeData(),
1199                          event->buttons(),
1200                          event->modifiers());
1201     dropUrls(destUrl, &dropEvent, this);
1202
1203     setActive(true);
1204 }
1205
1206 void DolphinView::dropUrls(const QUrl &destUrl, QDropEvent *dropEvent, QWidget *dropWidget)
1207 {
1208     KIO::DropJob* job = DragAndDropHelper::dropUrls(destUrl, dropEvent, dropWidget);
1209
1210     if (job) {
1211         connect(job, &KIO::DropJob::result, this, &DolphinView::slotJobResult);
1212
1213         if (destUrl == url()) {
1214             // Mark the dropped urls as selected.
1215             m_clearSelectionBeforeSelectingNewItems = true;
1216             m_markFirstNewlySelectedItemAsCurrent = true;
1217             connect(job, &KIO::DropJob::itemCreated, this, &DolphinView::slotItemCreated);
1218         }
1219     }
1220 }
1221
1222 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
1223 {
1224     if (previous != nullptr) {
1225         Q_ASSERT(qobject_cast<KFileItemModel*>(previous));
1226         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(previous);
1227         disconnect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1228         m_versionControlObserver->setModel(nullptr);
1229     }
1230
1231     if (current) {
1232         Q_ASSERT(qobject_cast<KFileItemModel*>(current));
1233         KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(current);
1234         connect(fileItemModel, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
1235         m_versionControlObserver->setModel(fileItemModel);
1236     }
1237 }
1238
1239 void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
1240 {
1241     Q_UNUSED(itemIndex)
1242
1243     hideToolTip();
1244
1245     if (buttons & Qt::BackButton) {
1246         Q_EMIT goBackRequested();
1247     } else if (buttons & Qt::ForwardButton) {
1248         Q_EMIT goForwardRequested();
1249     }
1250 }
1251
1252 void DolphinView::slotSelectedItemTextPressed(int index)
1253 {
1254     if (GeneralSettings::renameInline() && !m_view->style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick)) {
1255         const KFileItem item = m_model->fileItem(index);
1256         const KFileItemListProperties capabilities(KFileItemList() << item);
1257         if (capabilities.supportsMoving()) {
1258             m_twoClicksRenamingItemUrl = item.url();
1259             m_twoClicksRenamingTimer->start(QApplication::doubleClickInterval());
1260         }
1261     }
1262 }
1263
1264 void DolphinView::slotCopyingDone(KIO::Job *, const QUrl &, const QUrl &to)
1265 {
1266     slotItemCreated(to);
1267 }
1268
1269 void DolphinView::slotItemCreated(const QUrl& url)
1270 {
1271     if (m_markFirstNewlySelectedItemAsCurrent) {
1272         markUrlAsCurrent(url);
1273         m_markFirstNewlySelectedItemAsCurrent = false;
1274     }
1275     m_selectedUrls << url;
1276 }
1277
1278 void DolphinView::slotJobResult(KJob *job)
1279 {
1280     if (job->error()) {
1281         Q_EMIT errorMessage(job->errorString());
1282     }
1283     if (!m_selectedUrls.isEmpty()) {
1284         m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
1285     }
1286 }
1287
1288 void DolphinView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
1289 {
1290     const int currentCount = current.count();
1291     const int previousCount = previous.count();
1292     const bool selectionStateChanged = (currentCount == 0 && previousCount  > 0) ||
1293                                        (currentCount >  0 && previousCount == 0);
1294
1295     // If nothing has been selected before and something got selected (or if something
1296     // was selected before and now nothing is selected) the selectionChangedSignal must
1297     // be emitted asynchronously as fast as possible to update the edit-actions.
1298     m_selectionChangedTimer->setInterval(selectionStateChanged ? 0 : 300);
1299     m_selectionChangedTimer->start();
1300 }
1301
1302 void DolphinView::emitSelectionChangedSignal()
1303 {
1304     m_selectionChangedTimer->stop();
1305     Q_EMIT selectionChanged(selectedItems());
1306 }
1307
1308 void DolphinView::slotStatJobResult(KJob *job)
1309 {
1310     int folderCount = 0;
1311     int fileCount = 0;
1312     KIO::filesize_t totalFileSize = 0;
1313     bool countFileSize = true;
1314
1315     const auto entry =  static_cast<KIO::StatJob *>(job)->statResult();
1316     if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
1317         // We have a precomputed value.
1318         totalFileSize = static_cast<KIO::filesize_t>(
1319                                 entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
1320         countFileSize = false;
1321     }
1322
1323     const int itemCount = m_model->count();
1324     for (int i = 0; i < itemCount; ++i) {
1325         const KFileItem item = m_model->fileItem(i);
1326         if (item.isDir()) {
1327             ++folderCount;
1328         } else {
1329             ++fileCount;
1330             if (countFileSize) {
1331                 totalFileSize += item.size();
1332             }
1333         }
1334     }
1335     emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
1336 }
1337
1338 void DolphinView::updateSortRole(const QByteArray& role)
1339 {
1340     ViewProperties props(viewPropertiesUrl());
1341     props.setSortRole(role);
1342
1343     KItemModelBase* model = m_container->controller()->model();
1344     model->setSortRole(role);
1345
1346     Q_EMIT sortRoleChanged(role);
1347 }
1348
1349 void DolphinView::updateSortOrder(Qt::SortOrder order)
1350 {
1351     ViewProperties props(viewPropertiesUrl());
1352     props.setSortOrder(order);
1353
1354     m_model->setSortOrder(order);
1355
1356     Q_EMIT sortOrderChanged(order);
1357 }
1358
1359 void DolphinView::updateSortFoldersFirst(bool foldersFirst)
1360 {
1361     ViewProperties props(viewPropertiesUrl());
1362     props.setSortFoldersFirst(foldersFirst);
1363
1364     m_model->setSortDirectoriesFirst(foldersFirst);
1365
1366     Q_EMIT sortFoldersFirstChanged(foldersFirst);
1367 }
1368
1369 QPair<bool, QString> DolphinView::pasteInfo() const
1370 {
1371     const QMimeData *mimeData = QApplication::clipboard()->mimeData();
1372     QPair<bool, QString> info;
1373     info.second = KIO::pasteActionText(mimeData, &info.first, rootItem());
1374     return info;
1375 }
1376
1377 void DolphinView::setTabsForFilesEnabled(bool tabsForFiles)
1378 {
1379     m_tabsForFiles = tabsForFiles;
1380 }
1381
1382 bool DolphinView::isTabsForFilesEnabled() const
1383 {
1384     return m_tabsForFiles;
1385 }
1386
1387 bool DolphinView::itemsExpandable() const
1388 {
1389     return m_mode == DetailsView;
1390 }
1391
1392 void DolphinView::restoreState(QDataStream& stream)
1393 {
1394     // Read the version number of the view state and check if the version is supported.
1395     quint32 version = 0;
1396     stream >> version;
1397     if (version != 1) {
1398         // The version of the view state isn't supported, we can't restore it.
1399         return;
1400     }
1401
1402     // Restore the current item that had the keyboard focus
1403     stream >> m_currentItemUrl;
1404
1405     // Restore the previously selected items
1406     stream >> m_selectedUrls;
1407
1408     // Restore the view position
1409     stream >> m_restoredContentsPosition;
1410
1411     // Restore expanded folders (only relevant for the details view - will be ignored by the view in other view modes)
1412     QSet<QUrl> urls;
1413     stream >> urls;
1414     m_model->restoreExpandedDirectories(urls);
1415 }
1416
1417 void DolphinView::saveState(QDataStream& stream)
1418 {
1419     stream << quint32(1); // View state version
1420
1421     // Save the current item that has the keyboard focus
1422     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
1423     if (currentIndex != -1) {
1424         KFileItem item = m_model->fileItem(currentIndex);
1425         Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
1426         QUrl currentItemUrl = item.url();
1427         stream << currentItemUrl;
1428     } else {
1429         stream << QUrl();
1430     }
1431
1432     // Save the selected urls
1433     stream << selectedItems().urlList();
1434
1435     // Save view position
1436     const qreal x = m_container->horizontalScrollBar()->value();
1437     const qreal y = m_container->verticalScrollBar()->value();
1438     stream << QPoint(x, y);
1439
1440     // Save expanded folders (only relevant for the details view - the set will be empty in other view modes)
1441     stream << m_model->expandedDirectories();
1442 }
1443
1444 KFileItem DolphinView::rootItem() const
1445 {
1446     return m_model->rootItem();
1447 }
1448
1449 void DolphinView::setViewPropertiesContext(const QString& context)
1450 {
1451     m_viewPropertiesContext = context;
1452 }
1453
1454 QString DolphinView::viewPropertiesContext() const
1455 {
1456     return m_viewPropertiesContext;
1457 }
1458
1459 QUrl DolphinView::openItemAsFolderUrl(const KFileItem& item, const bool browseThroughArchives)
1460 {
1461     if (item.isNull()) {
1462         return QUrl();
1463     }
1464
1465     QUrl url = item.targetUrl();
1466
1467     if (item.isDir()) {
1468         return url;
1469     }
1470
1471     if (item.isMimeTypeKnown()) {
1472         const QString& mimetype = item.mimetype();
1473
1474         if (browseThroughArchives && item.isFile() && url.isLocalFile()) {
1475             // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
1476             // zip:/<path>/ when clicking on a zip file, etc.
1477             // The .protocol file specifies the mimetype that the kioslave handles.
1478             // Note that we don't use mimetype inheritance since we don't want to
1479             // open OpenDocument files as zip folders...
1480             const QString& protocol = KProtocolManager::protocolForArchiveMimetype(mimetype);
1481             if (!protocol.isEmpty()) {
1482                 url.setScheme(protocol);
1483                 return url;
1484             }
1485         }
1486
1487         if (mimetype == QLatin1String("application/x-desktop")) {
1488             // Redirect to the URL in Type=Link desktop files, unless it is a http(s) URL.
1489             KDesktopFile desktopFile(url.toLocalFile());
1490             if (desktopFile.hasLinkType()) {
1491                 const QString linkUrl = desktopFile.readUrl();
1492                 if (!linkUrl.startsWith(QLatin1String("http"))) {
1493                     return QUrl::fromUserInput(linkUrl);
1494                 }
1495             }
1496         }
1497     }
1498
1499     return QUrl();
1500 }
1501
1502 void DolphinView::resetZoomLevel()
1503 {
1504     ViewModeSettings::ViewMode mode;
1505
1506     switch (m_mode) {
1507     case IconsView:     mode = ViewModeSettings::IconsMode;   break;
1508     case CompactView:   mode = ViewModeSettings::CompactMode; break;
1509     case DetailsView:   mode = ViewModeSettings::DetailsMode; break;
1510     }
1511     const ViewModeSettings settings(mode);
1512     const QSize iconSize = QSize(settings.iconSize(), settings.iconSize());
1513     setZoomLevel(ZoomLevelInfo::zoomLevelForIconSize(iconSize));
1514 }
1515
1516 void DolphinView::observeCreatedItem(const QUrl& url)
1517 {
1518     if (m_active) {
1519         forceUrlsSelection(url, {url});
1520     }
1521 }
1522
1523 void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
1524 {
1525     if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
1526         Q_EMIT redirection(oldUrl, newUrl);
1527         m_url = newUrl; // #186947
1528     }
1529 }
1530
1531 void DolphinView::updateViewState()
1532 {
1533     if (m_currentItemUrl != QUrl()) {
1534         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1535
1536         // if there is a selection already, leave it that way
1537         if (!selectionManager->hasSelection()) {
1538             const int currentIndex = m_model->index(m_currentItemUrl);
1539             if (currentIndex != -1) {
1540                 selectionManager->setCurrentItem(currentIndex);
1541
1542                 // scroll to current item and reset the state
1543                 if (m_scrollToCurrentItem) {
1544                     m_view->scrollToItem(currentIndex);
1545                     m_scrollToCurrentItem = false;
1546                 }
1547             } else {
1548                 selectionManager->setCurrentItem(0);
1549             }
1550         }
1551
1552         m_currentItemUrl = QUrl();
1553     }
1554
1555     if (!m_restoredContentsPosition.isNull()) {
1556         const int x = m_restoredContentsPosition.x();
1557         const int y = m_restoredContentsPosition.y();
1558         m_restoredContentsPosition = QPoint();
1559
1560         m_container->horizontalScrollBar()->setValue(x);
1561         m_container->verticalScrollBar()->setValue(y);
1562     }
1563
1564     if (!m_selectedUrls.isEmpty()) {
1565         KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1566
1567         // if there is a selection already, leave it that way
1568         if (!selectionManager->hasSelection()) {
1569             if (m_clearSelectionBeforeSelectingNewItems) {
1570                 selectionManager->clearSelection();
1571                 m_clearSelectionBeforeSelectingNewItems = false;
1572             }
1573
1574             KItemSet selectedItems = selectionManager->selectedItems();
1575
1576             QList<QUrl>::iterator it = m_selectedUrls.begin();
1577             while (it != m_selectedUrls.end()) {
1578                 const int index = m_model->index(*it);
1579                 if (index >= 0) {
1580                     selectedItems.insert(index);
1581                     it = m_selectedUrls.erase(it);
1582                 } else {
1583                     ++it;
1584                 }
1585             }
1586
1587             selectionManager->beginAnchoredSelection(selectionManager->currentItem());
1588             selectionManager->setSelectedItems(selectedItems);
1589         }
1590     }
1591 }
1592
1593 void DolphinView::hideToolTip(const ToolTipManager::HideBehavior behavior)
1594 {
1595 #ifdef HAVE_BALOO
1596     if (GeneralSettings::showToolTips()) {
1597         m_toolTipManager->hideToolTip(behavior);
1598     }
1599 #else
1600         Q_UNUSED(behavior)
1601 #endif
1602 }
1603
1604 void DolphinView::slotTwoClicksRenamingTimerTimeout()
1605 {
1606     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1607
1608     // verify that only one item is selected
1609     if (selectionManager->selectedItems().count() == 1) {
1610         const int index = selectionManager->currentItem();
1611         const QUrl fileItemUrl = m_model->fileItem(index).url();
1612
1613         // check if the selected item was the same item that started the twoClicksRenaming
1614         if (fileItemUrl.isValid() && m_twoClicksRenamingItemUrl == fileItemUrl) {
1615             renameSelectedItems();
1616         }
1617     }
1618 }
1619
1620 void DolphinView::slotTrashFileFinished(KJob* job)
1621 {
1622     if (job->error() == 0) {
1623         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
1624     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1625         Q_EMIT errorMessage(job->errorString());
1626     }
1627 }
1628
1629 void DolphinView::slotDeleteFileFinished(KJob* job)
1630 {
1631     if (job->error() == 0) {
1632         Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
1633     } else if (job->error() != KIO::ERR_USER_CANCELED) {
1634         Q_EMIT errorMessage(job->errorString());
1635     }
1636 }
1637
1638 void DolphinView::slotRenamingResult(KJob* job)
1639 {
1640     if (job->error()) {
1641         KIO::CopyJob *copyJob = qobject_cast<KIO::CopyJob *>(job);
1642         Q_ASSERT(copyJob);
1643         const QUrl newUrl = copyJob->destUrl();
1644         const int index = m_model->index(newUrl);
1645         if (index >= 0) {
1646             QHash<QByteArray, QVariant> data;
1647             const QUrl oldUrl = copyJob->srcUrls().at(0);
1648             data.insert("text", oldUrl.fileName());
1649             m_model->setData(index, data);
1650         }
1651     }
1652 }
1653
1654 void DolphinView::slotDirectoryLoadingStarted()
1655 {
1656     m_loading = true;
1657     updatePlaceholderLabel();
1658
1659     // Disable the writestate temporary until it can be determined in a fast way
1660     // in DolphinView::slotDirectoryLoadingCompleted()
1661     if (m_isFolderWritable) {
1662         m_isFolderWritable = false;
1663         Q_EMIT writeStateChanged(m_isFolderWritable);
1664     }
1665
1666     Q_EMIT directoryLoadingStarted();
1667 }
1668
1669 void DolphinView::slotDirectoryLoadingCompleted()
1670 {
1671     m_loading = false;
1672
1673     // Update the view-state. This has to be done asynchronously
1674     // because the view might not be in its final state yet.
1675     QTimer::singleShot(0, this, &DolphinView::updateViewState);
1676
1677     // Update the placeholder label in case we found that the folder was empty
1678     // after loading it
1679
1680     Q_EMIT directoryLoadingCompleted();
1681
1682     updatePlaceholderLabel();
1683     updateWritableState();
1684 }
1685
1686 void DolphinView::slotDirectoryLoadingCanceled()
1687 {
1688     m_loading = false;
1689
1690     updatePlaceholderLabel();
1691
1692     Q_EMIT directoryLoadingCanceled();
1693 }
1694
1695 void DolphinView::slotItemsChanged()
1696 {
1697     m_assureVisibleCurrentIndex = false;
1698 }
1699
1700 void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
1701 {
1702     Q_UNUSED(previous)
1703     Q_ASSERT(m_model->sortOrder() == current);
1704
1705     ViewProperties props(viewPropertiesUrl());
1706     props.setSortOrder(current);
1707
1708     Q_EMIT sortOrderChanged(current);
1709 }
1710
1711 void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
1712 {
1713     Q_UNUSED(previous)
1714     Q_ASSERT(m_model->sortRole() == current);
1715
1716     ViewProperties props(viewPropertiesUrl());
1717     props.setSortRole(current);
1718
1719     Q_EMIT sortRoleChanged(current);
1720 }
1721
1722 void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
1723                                                   const QList<QByteArray>& previous)
1724 {
1725     Q_UNUSED(previous)
1726     Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
1727
1728     const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1729
1730     m_visibleRoles = current;
1731
1732     ViewProperties props(viewPropertiesUrl());
1733     props.setVisibleRoles(m_visibleRoles);
1734
1735     Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1736 }
1737
1738 void DolphinView::slotRoleEditingCanceled()
1739 {
1740     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1741                this, &DolphinView::slotRoleEditingFinished);
1742 }
1743
1744 void DolphinView::slotRoleEditingFinished(int index, const QByteArray& role, const QVariant& value)
1745 {
1746     disconnect(m_view, &DolphinItemListView::roleEditingFinished,
1747                this, &DolphinView::slotRoleEditingFinished);
1748
1749     const KFileItemList items = selectedItems();
1750     if (items.count() != 1) {
1751         return;
1752     }
1753
1754     if (role == "text") {
1755         const KFileItem oldItem = items.first();
1756         const EditResult retVal = value.value<EditResult>();
1757         const QString newName = retVal.newName;
1758         if (!newName.isEmpty() && newName != oldItem.text() && newName != QLatin1Char('.') && newName != QLatin1String("..")) {
1759             const QUrl oldUrl = oldItem.url();
1760
1761             QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
1762             newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
1763
1764 #ifndef Q_OS_WIN
1765             //Confirm hiding file/directory by renaming inline
1766             if (!hiddenFilesShown() && newName.startsWith(QLatin1Char('.')) && !oldItem.name().startsWith(QLatin1Char('.'))) {
1767                 KGuiItem yesGuiItem(KStandardGuiItem::yes());
1768                 yesGuiItem.setText(i18nc("@action:button", "Rename and Hide"));
1769
1770                 const auto code = KMessageBox::questionYesNo(this,
1771                                                              oldItem.isFile() ? i18n("Adding a dot to the beginning of this file's name will hide it from view.\n"
1772                                                                                      "Do you still want to rename it?")
1773                                                                               : i18n("Adding a dot to the beginning of this folder's name will hide it from view.\n"
1774                                                                                      "Do you still want to rename it?"),
1775                                                              oldItem.isFile() ? i18n("Hide this File?") : i18n("Hide this Folder?"),
1776                                                              yesGuiItem,
1777                                                              KStandardGuiItem::cancel(),
1778                                                              QStringLiteral("ConfirmHide")
1779                                                             );
1780
1781                 if (code == KMessageBox::No) {
1782                    return;
1783                 }
1784             }
1785 #endif
1786
1787             const bool newNameExistsAlready = (m_model->index(newUrl) >= 0);
1788             if (!newNameExistsAlready && m_model->index(oldUrl) == index) {
1789                 // Only change the data in the model if no item with the new name
1790                 // is in the model yet. If there is an item with the new name
1791                 // already, calling KIO::CopyJob will open a dialog
1792                 // asking for a new name, and KFileItemModel will update the
1793                 // data when the dir lister signals that the file name has changed.
1794                 QHash<QByteArray, QVariant> data;
1795                 data.insert(role, retVal.newName);
1796                 m_model->setData(index, data);
1797             }
1798
1799             KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
1800             KJobWidgets::setWindow(job, this);
1801             KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, {oldUrl}, newUrl, job);
1802             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
1803
1804             forceUrlsSelection(newUrl, {newUrl});
1805
1806             if (!newNameExistsAlready) {
1807                 // Only connect the result signal if there is no item with the new name
1808                 // in the model yet, see bug 328262.
1809                 connect(job, &KJob::result, this, &DolphinView::slotRenamingResult);
1810             }
1811         }
1812         if (retVal.direction != EditDone) {
1813             const short indexShift = retVal.direction == EditNext ? 1 : -1;
1814             m_container->controller()->selectionManager()->setSelected(index, 1, KItemListSelectionManager::Deselect);
1815             m_container->controller()->selectionManager()->setSelected(index + indexShift, 1,
1816                     KItemListSelectionManager::Select);
1817             renameSelectedItems();
1818         }
1819     }
1820 }
1821
1822 void DolphinView::loadDirectory(const QUrl& url, bool reload)
1823 {
1824     if (!url.isValid()) {
1825         const QString location(url.toDisplayString(QUrl::PreferLocalFile));
1826         if (location.isEmpty()) {
1827             Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
1828         } else {
1829             Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
1830         }
1831         return;
1832     }
1833
1834     if (reload) {
1835         m_model->refreshDirectory(url);
1836     } else {
1837         m_model->loadDirectory(url);
1838     }
1839 }
1840
1841 void DolphinView::applyViewProperties()
1842 {
1843     const ViewProperties props(viewPropertiesUrl());
1844     applyViewProperties(props);
1845 }
1846
1847 void DolphinView::applyViewProperties(const ViewProperties& props)
1848 {
1849     m_view->beginTransaction();
1850
1851     const Mode mode = props.viewMode();
1852     if (m_mode != mode) {
1853         const Mode previousMode = m_mode;
1854         m_mode = mode;
1855
1856         // Changing the mode might result in changing
1857         // the zoom level. Remember the old zoom level so
1858         // that zoomLevelChanged() can get emitted.
1859         const int oldZoomLevel = m_view->zoomLevel();
1860         applyModeToView();
1861
1862         Q_EMIT modeChanged(m_mode, previousMode);
1863
1864         if (m_view->zoomLevel() != oldZoomLevel) {
1865             Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
1866         }
1867     }
1868
1869     const bool hiddenFilesShown = props.hiddenFilesShown();
1870     if (hiddenFilesShown != m_model->showHiddenFiles()) {
1871         m_model->setShowHiddenFiles(hiddenFilesShown);
1872         Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
1873     }
1874
1875     const bool groupedSorting = props.groupedSorting();
1876     if (groupedSorting != m_model->groupedSorting()) {
1877         m_model->setGroupedSorting(groupedSorting);
1878         Q_EMIT groupedSortingChanged(groupedSorting);
1879     }
1880
1881     const QByteArray sortRole = props.sortRole();
1882     if (sortRole != m_model->sortRole()) {
1883         m_model->setSortRole(sortRole);
1884         Q_EMIT sortRoleChanged(sortRole);
1885     }
1886
1887     const Qt::SortOrder sortOrder = props.sortOrder();
1888     if (sortOrder != m_model->sortOrder()) {
1889         m_model->setSortOrder(sortOrder);
1890         Q_EMIT sortOrderChanged(sortOrder);
1891     }
1892
1893     const bool sortFoldersFirst = props.sortFoldersFirst();
1894     if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
1895         m_model->setSortDirectoriesFirst(sortFoldersFirst);
1896         Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
1897     }
1898
1899     const QList<QByteArray> visibleRoles = props.visibleRoles();
1900     if (visibleRoles != m_visibleRoles) {
1901         const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
1902         m_visibleRoles = visibleRoles;
1903         m_view->setVisibleRoles(visibleRoles);
1904         Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
1905     }
1906
1907     const bool previewsShown = props.previewsShown();
1908     if (previewsShown != m_view->previewsShown()) {
1909         const int oldZoomLevel = zoomLevel();
1910
1911         m_view->setPreviewsShown(previewsShown);
1912         Q_EMIT previewsShownChanged(previewsShown);
1913
1914         // Changing the preview-state might result in a changed zoom-level
1915         if (oldZoomLevel != zoomLevel()) {
1916             Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
1917         }
1918     }
1919
1920     KItemListView* itemListView = m_container->controller()->view();
1921     if (itemListView->isHeaderVisible()) {
1922         KItemListHeader* header = itemListView->header();
1923         const QList<int> headerColumnWidths = props.headerColumnWidths();
1924         const int rolesCount = m_visibleRoles.count();
1925         if (headerColumnWidths.count() == rolesCount) {
1926             header->setAutomaticColumnResizing(false);
1927
1928             QHash<QByteArray, qreal> columnWidths;
1929             for (int i = 0; i < rolesCount; ++i) {
1930                 columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
1931             }
1932             header->setColumnWidths(columnWidths);
1933         } else {
1934             header->setAutomaticColumnResizing(true);
1935         }
1936     }
1937
1938     m_view->endTransaction();
1939 }
1940
1941 void DolphinView::applyModeToView()
1942 {
1943     switch (m_mode) {
1944     case IconsView:   m_view->setItemLayout(KFileItemListView::IconsLayout); break;
1945     case CompactView: m_view->setItemLayout(KFileItemListView::CompactLayout); break;
1946     case DetailsView: m_view->setItemLayout(KFileItemListView::DetailsLayout); break;
1947     default: Q_ASSERT(false); break;
1948     }
1949 }
1950
1951 void DolphinView::pasteToUrl(const QUrl& url)
1952 {
1953     KIO::PasteJob *job = KIO::paste(QApplication::clipboard()->mimeData(), url);
1954     KJobWidgets::setWindow(job, this);
1955     m_clearSelectionBeforeSelectingNewItems = true;
1956     m_markFirstNewlySelectedItemAsCurrent = true;
1957     connect(job, &KIO::PasteJob::itemCreated, this, &DolphinView::slotItemCreated);
1958     connect(job, &KIO::PasteJob::result, this, &DolphinView::slotJobResult);
1959 }
1960
1961 QList<QUrl> DolphinView::simplifiedSelectedUrls() const
1962 {
1963     QList<QUrl> urls;
1964
1965     const KFileItemList items = selectedItems();
1966     urls.reserve(items.count());
1967     for (const KFileItem& item : items) {
1968         urls.append(item.url());
1969     }
1970
1971     if (itemsExpandable()) {
1972         // TODO: Check if we still need KDirModel for this in KDE 5.0
1973         urls = KDirModel::simplifiedUrlList(urls);
1974     }
1975
1976     return urls;
1977 }
1978
1979 QMimeData* DolphinView::selectionMimeData() const
1980 {
1981     const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
1982     const KItemSet selectedIndexes = selectionManager->selectedItems();
1983
1984     return m_model->createMimeData(selectedIndexes);
1985 }
1986
1987 void DolphinView::updateWritableState()
1988 {
1989     const bool wasFolderWritable = m_isFolderWritable;
1990     m_isFolderWritable = false;
1991
1992     KFileItem item = m_model->rootItem();
1993     if (item.isNull()) {
1994         // Try to find out if the URL is writable even if the "root item" is
1995         // null, see https://bugs.kde.org/show_bug.cgi?id=330001
1996         item = KFileItem(url());
1997         item.setDelayedMimeTypes(true);
1998     }
1999
2000     KFileItemListProperties capabilities(KFileItemList() << item);
2001     m_isFolderWritable = capabilities.supportsWriting();
2002
2003     if (m_isFolderWritable != wasFolderWritable) {
2004         Q_EMIT writeStateChanged(m_isFolderWritable);
2005     }
2006 }
2007
2008 QUrl DolphinView::viewPropertiesUrl() const
2009 {
2010     if (m_viewPropertiesContext.isEmpty()) {
2011         return m_url;
2012     }
2013
2014     QUrl url;
2015     url.setScheme(m_url.scheme());
2016     url.setPath(m_viewPropertiesContext);
2017     return url;
2018 }
2019
2020 void DolphinView::slotRenameDialogRenamingFinished(const QList<QUrl>& urls)
2021 {
2022     forceUrlsSelection(urls.first(), urls);
2023 }
2024
2025 void DolphinView::forceUrlsSelection(const QUrl& current, const QList<QUrl>& selected)
2026 {
2027     clearSelection();
2028     m_clearSelectionBeforeSelectingNewItems = true;
2029     markUrlAsCurrent(current);
2030     markUrlsAsSelected(selected);
2031 }
2032
2033 void DolphinView::copyPathToClipboard()
2034 {
2035     const KFileItemList list = selectedItems();
2036     if (list.isEmpty()) {
2037         return;
2038     }
2039     const KFileItem& item = list.at(0);
2040     QString path = item.localPath();
2041     if (path.isEmpty()) {
2042         path = item.url().toDisplayString();
2043     }
2044     QClipboard* clipboard = QApplication::clipboard();
2045     if (clipboard == nullptr) {
2046         return;
2047     }
2048     clipboard->setText(path);
2049 }
2050
2051 void DolphinView::slotIncreaseZoom()
2052 {
2053     setZoomLevel(zoomLevel() + 1);
2054 }
2055
2056 void DolphinView::slotDecreaseZoom()
2057 {
2058     setZoomLevel(zoomLevel() - 1);
2059 }
2060
2061 void DolphinView::slotSwipeUp()
2062 {
2063     Q_EMIT goUpRequested();
2064 }
2065
2066 void DolphinView::updatePlaceholderLabel()
2067 {
2068     if (m_loading || itemsCount() > 0) {
2069         m_placeholderLabel->setVisible(false);
2070         return;
2071     }
2072
2073     if (!nameFilter().isEmpty()) {
2074         m_placeholderLabel->setText(i18n("No items matching the filter"));
2075     } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
2076         m_placeholderLabel->setText(i18n("No items matching the search"));
2077     } else if (m_url.scheme() == QLatin1String("trash")) {
2078         m_placeholderLabel->setText(i18n("Trash is empty"));
2079     } else if (m_url.scheme() == QLatin1String("tags")) {
2080         m_placeholderLabel->setText(i18n("No tags"));
2081     } else if (m_url.scheme() == QLatin1String("recentlyused")) {
2082         m_placeholderLabel->setText(i18n("No recently used items"));
2083     } else if (m_url.scheme() == QLatin1String("smb")) {
2084         m_placeholderLabel->setText(i18n("No shared folders found"));
2085     } else if (m_url.scheme() == QLatin1String("network")) {
2086         m_placeholderLabel->setText(i18n("No relevant network resources found"));
2087     } else if (m_url.scheme() == QLatin1String("mtp")) {
2088         m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
2089     } else if (m_url.scheme() == QLatin1String("bluetooth")) {
2090         m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
2091     } else {
2092         m_placeholderLabel->setText(i18n("Folder is empty"));
2093     }
2094
2095     m_placeholderLabel->setVisible(true);
2096 }